For chemists engaged in the intricate art of organic synthesis, the choice of reagents can dramatically influence the success of a reaction. Among the arsenal of tools available, silylating agents play a pivotal role in protecting sensitive functional groups, thereby enabling selective transformations. Triethylchlorosilane (CAS 994-30-9), a versatile and potent silylating agent, stands out as a preferred choice for many researchers and manufacturers in the pharmaceutical and fine chemical industries. As a dedicated manufacturer and supplier from China, we offer high-quality Triethylchlorosilane to meet these demanding applications.
Triethylchlorosilane, also known by its synonyms TESCl or Chlorotriethylsilane, is a colorless, transparent liquid. Its primary function as a silylating agent lies in its ability to readily react with protic functional groups like hydroxyl (-OH), amino (-NH), and carboxyl (-COOH) groups. This reaction introduces a triethylsilyl (TES) protecting group, effectively masking the reactivity of these sites during subsequent chemical steps. The TES group is known for its moderate stability, offering a good balance between ease of introduction and selective removal under specific conditions. This makes it particularly useful for research scientists and API manufacturers who need precise control over their synthetic pathways.
The advantages of using Triethylchlorosilane extend to its compatibility with a range of reaction conditions and its ability to form relatively stable silyl ethers, silyl amines, and silyl esters. For procurement managers in the pharmaceutical sector, sourcing a reliable supplier of Triethylchlorosilane is critical for ensuring the uninterrupted production of active pharmaceutical ingredients (APIs) and intermediates. The availability of high-purity Triethylchlorosilane from reputable China-based manufacturers like ourselves guarantees that these sensitive synthetic processes can proceed without contamination or side reactions.
Beyond its protective role, Triethylchlorosilane also finds applications as a precursor for Lewis acid catalysts and in the synthesis of silicon-based materials, including silicone oils and resins. This broad utility underscores its importance as a versatile fine chemical intermediate. When considering where to buy Triethylchlorosilane, factors such as purity, consistency, and supplier reliability are paramount. Our commitment to quality control and efficient logistics ensures that we are a preferred partner for companies worldwide seeking to purchase this essential reagent.
In conclusion, Triethylchlorosilane (CAS 994-30-9) is an indispensable tool for organic synthesis, offering efficient protection of functional groups and serving as a valuable intermediate. For any laboratory or manufacturing process that requires a high-performance silylating agent, Triethylchlorosilane is an excellent choice. We invite you to explore our offerings and discover why we are a trusted supplier of this critical chemical from China, ready to support your scientific and industrial endeavors.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.